Hendrik Adrianus Van Sprang

Title: Innovator Spotlight on Hendrik Adrianus Van Sprang

Introduction

Hendrik Adrianus Van Sprang, a prolific inventor based in Eindhoven, Netherlands, has made significant strides in the field of light-emitting technology. With a total of 13 patents to his name, he has contributed to innovations that enhance the efficiency and effectiveness of LED lighting systems.

Latest Patents

Among his latest innovations is a groundbreaking LED module that converts pump light from a LED chip to light at another wavelength. This conversion is achieved utilizing a luminescent material, and the color purity is improved by minimizing pump light leakage through a reflector combined with an absorber. The invention features thin absorbing layers within a multi-layer reflection filter, allowing for a remarkable reduction in pump light leakage.

Another notable patent is his work on a photonic crystal LED, which comprises a semiconductor light-emitting diode featuring a unique design. This innovative device includes a first and a second electrode that apply voltage across an active region for light generation. Its design incorporates multiple photonic crystals of different types, enabling the extraction of light from the active region based on varying lattice parameters. By arranging these photonic crystals, a unique far-field pattern is achieved, enhancing the overall light output.

Career Highlights

Hendrik has held positions at renowned companies including Koninklijke Philips Corporation and U.S. Philips Corporation. His work at these leading organizations provided him with the opportunity to develop cutting-edge technologies that have impacted the industry.

Collaborations

Throughout his career, Hendrik has collaborated with notable individuals such as Henricus G. Koopman and Marcus Antonius Verschuuren. These partnerships have fostered a creative environment that has resulted in groundbreaking technological advancements.

Conclusion

Hendrik Adrianus Van Sprang stands out as an innovative force in the realm of light-emitting technologies. With his recent patents showcasing advancements in LED and photonic crystal technology, he continues to influence the future of lighting. His contributions to the technology not only demonstrate his inventive spirit but also highlight the importance of collaboration in driving innovation.